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| spinner1987 |
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hi guys is it worth getting one of the ebay throttle bodies will it make much difference i have a wade 1673 cam/ head shave port polish / vrs race head gaskets / redback excractors / redback 2 1/2 exhaust / venom high flow cat / and a j3 with a custom tune for my mods / and a pod in air box.
what do you guys think |
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| bry40l |
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if you do a search you will find people argueing over losing power on the dyno swapping to a bigger throttle body on the 4.0l or gaining, personally i think the standard one is capable of giving your engine enough air with a 1673 cam, if it was a definate power increase by changing it im sure every second car on here if not all cars on this forum would have bigger throttlebodys
_________________ BF XR6 |
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| EA-SPAC-88 |
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how much are they worth? you would have to have bigger intake piping
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| spinner1987 |
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should i just polish the in side of my existing one and in my intake manafold while im at it
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| EA-SPAC-88 |
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spinner1987 wrote: should i just polish the in side of my existing one and in my intake manafold while im at it get it power ported |
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| spinner1987 |
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the out side is the same its the inside of them thats bigger and about $250
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| bry40l |
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EA-SPAC-88 wrote: how much are they worth? you would have to have bigger intake piping they are just a standard throttle body and they just machine them out bigger on the inside,
_________________ BF XR6 |
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| B Bear |
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You could give it a shot dude, I was looking into them myself. Some people say they work wonders others think not.
It all depends on what mods you have and if the extra volume will do you any justice for it's price. I gave mine a little polish back and also just the spindle in half. Here is the link: http://www.fordmods.com/ford-4l-and-6-cylinder-f1/69mm-throttle-body-need-more-dyno-tuning-t106006.html Then there is the original doco from KWIKXR http://www.fordmods.com/fordmods-technical-documents-diy-f38/improving-your-6cyl-e-series-throttlebody-the-diy-way-t84040.html And with the home made mod to the butterfly some maths done by tickford_6 All are worked out based on an 8mm shaft. Stock 65mm tb has an area of 2798mm squared stock 65mm tb with half shaft mod has an area of 3058mm squared 70mm tb with full 8mm shaft has an area of 3288mm squared 70mm tb with half shaft has an area of 3568mm squared. |
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